Some few are rated at less - maybe 500 mAh and a few at higher. Modern USB phone chargers which have a USB plug as their output and which plug into a device's USB port are chargers in their own right. A charger capable of charging a phone at 5V, 2A will almost certainly also charge a tablet OK at 5V, 2A.
The more months payed for upfront, the cheaper the cost per month. E-liquid subscriptions range in price form $29.99 paid monthly, $86.97 paid every three months or $167.94 paid every six months. All three plans include shipping in the price.
All you have to do is add your shirt to the shopping cart. Then go to your cart, click on the Proceed to Checkout button and there will be the shipping charges listed. I highly recommend signing up for Zazzle Black. Zazzle Black is a program that offers free shipping after you pay $9.95 after your 30 day trial. So, if you find out that your shipping is over $9.95 after you look at your cart then sign up for Zazzle Black to make it FREE.